Jefferson University Physicians
NPI 1689848830 · Obstetrics & Gynecology Physician · Philadelphia, PA
Jefferson University Physicians is a Obstetrics & Gynecology Physician organization in Philadelphia, PA (NPI 1689848830).
Provider details
- NPI number
- 1689848830
- Entity type
- Organization
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Hristos Ristas, Vp(215) 955-9298
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Other names (DBA / former)
- Other name
- Ob/Gyn- General
- Other name
- Ob/Gyn- General
Registry dates
- Enumerated
- 2008-04-18
- Last updated
- 2022-10-14
- Certified
- 2022-10-14
Frequently asked questions
- What is Jefferson University Physicians's NPI number?
- Jefferson University Physicians's National Provider Identifier (NPI) is 1689848830, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Jefferson University Physicians?
- Jefferson University Physicians is classified in the NPPES registry as Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Jefferson University Physicians located?
- Jefferson University Physicians's practice location on file with NPPES is 833 Chestnut St, Philadelphia, PA 19107-4414.
- What is Jefferson University Physicians's phone number?
- The practice phone number listed in the NPPES registry for Jefferson University Physicians is (215) 955-0800.
- Who is the authorized official for Jefferson University Physicians?
- The authorized official listed on Jefferson University Physicians's NPPES record is Hristos Ristas, Vp. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Jefferson University Physicians's NPI active?
- Yes — Jefferson University Physicians's NPI (1689848830) is active in the NPPES registry as of the last update on 2022-10-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.